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AFAIK, you can also use VS code or CLion.

I’m assuming you meant AppCode. It’s been discontinued: https://www.jetbrains.com/objc/

With VSCode, do you get live preview?

The Swift team released a VS Code plugin recently. As far as I'm aware, it doesn't do live preview, but considering how often Xcode fails to render live previews, I'm not seeing that as much of a loss.

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